21440706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{30029}}^1$

素因数の和:30058

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 30451134

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 30029, 60058, 90087, 180174, 210203, 420406, 510493, 630609, 1020986, 1261218, 1531479, 3062958, 3573451, 7146902, 10720353, 21440706]

約数ペア:

[(1, 21440706), (2, 10720353), (3, 7146902), (6, 3573451), (7, 3062958), (14, 1531479), (17, 1261218), (21, 1020986), (34, 630609), (42, 510493), (51, 420406), (102, 210203), (119, 180174), (238, 90087), (357, 60058), (714, 30029)]